Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Oct 8, 2021, 4:21 PM EDT for Miami-Dade County, Florida. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 8, 2021, 4:21 PM EDT (20:21 UTC)
- Expired
- Oct 8, 2021, 4:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Miami, FL
- Hail
- 0.00 in
- Wind
- 40
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 18 km from the middle of the area, began a volume at 20:21 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 8.4 hours before the alert went out and 24 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1040 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 939 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
319
WWUS82 KMFL 082021
SPSMFL
Special Weather Statement
National Weather Service Miami FL
421 PM EDT Fri Oct 8 2021
FLZ073-074-082045-
Metropolitan Miami Dade FL-Inland Miami-Dade County FL-
421 PM EDT Fri Oct 8 2021
...A strong thunderstorm will impact portions of north central
Miami-Dade County through 445 PM EDT...
At 421 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm capable of producing a funnel cloud over
Miccosukee Resort, or 12 miles northwest of Kendall, moving southeast
at 5 mph.
HAZARD...Funnel clouds and winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Funnel clouds occasionally touch down and produce tornadoes
or waterspouts. Gusty winds could knock down tree limbs and
blow around unsecured objects.
Locations impacted include...
Kendall, Doral, Sweetwater, Kendale Lakes, West Kendall, Intersection
Krome And Kendall Drive, Miccosukee Resort, The Crossings, Tamiami,
The Hammocks, University Park, Country Walk, Fountainbleau, Sunset,
Olympia Heights, Kendall West, Tamiami Fairgrounds, Fiu South Campus,
Three Lakes and Westwood Lakes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 2576 8064 2586 8044 2584 8035 2564 8039
2563 8063
TIME...MOT...LOC 2021Z 328DEG 5KT 2577 8053
FUNNEL CLOUD...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
HadiThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 8:40 PM EDT | Special Weather Statement | MFL | Collier | 50 min |
| Oct 7, 9:10 PM EDT | Special Weather Statement | MFL | Collier | 35 min |
| Oct 7, 9:12 PM EDT | Special Marine Warning | MFL | 93 min | |
| Oct 7, 9:30 PM EDT | Special Weather Statement | MFL | Collier | 45 min |
| Oct 7, 9:45 PM EDT | Areal Flood Advisory | MFL | Collier | 2 hr |
| Oct 8, 3:17 PM EDT | Special Weather Statement | MFL | Broward | 28 min |
| Oct 8, 4:06 PM EDT | Special Weather Statement | MFL | Miami-Dade | 24 min |
| Oct 8, 4:45 PM EDT | Special Weather Statement | MFL | Miami-Dade | 30 min |
| Oct 8, 7:22 PM EDT | Special Marine Warning | MFL | 23 min | |
| Oct 8, 7:43 PM EDT | Special Weather Statement | MFL | Palm Beach | 32 min |
Nearby
Special Weather Statements in Florida, 2021Every special weather statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.